Pig feeder



FIG. 1 is a perspective view taken from the front, top and one side of a pig feeder showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is an elevational view taken from the side opposite that shown in FIG. 1; and

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a pig feeder, as shown. 